Results 1 to 10 of about 52,574 (178)
Astronomical Optical Interferometry. I. Methods and Instrumentation [PDF]
Serbian Astronomical Journal, 2010 Previous decade has seen an achievement of large interferometricprojects including 8-10m telescopes and 100m class baselines. Modern computerand control technology has enabled the interferometric combination of lightfrom separate telescopes also in the ...
Jankov, S.
doaj +6 more sources
Achieving GPT-4o level performance in astronomy with a specialized 8B-parameter large language model [PDF]
Scientific ReportsAstroSage-Llama-3.1-8B is a domain-specialized natural-language AI assistant tailored for research in astronomy, astrophysics, cosmology, and astronomical instrumentation.
Tijmen de Haan +8 more
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Calibration of the Timing Performance of GECAM-C
The Astrophysical Journal Supplement Series, 2023 As a new member of the Gravitational-wave high-energy Electromagnetic Counterpart All-sky Monitor (GECAM) after GECAM-A and GECAM-B, GECAM-C (originally called HEBS), which was launched on board the SATech-01 satellite on 2022 July 27, aims to monitor ...
Shuo Xiao +37 more
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Real-time Experimental Demonstrations of a Photonic Lantern Wave-front Sensor
The Astrophysical Journal Letters, 2023 The direct imaging of an Earth-like exoplanet will require sub-nanometric wave-front control across large light-collecting apertures to reject host starlight and detect the faint planetary signal.
Jonathan W. Lin +14 more
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Dispersion Characteristics of the Multi-mode Fiber-fed VIPA Spectrograph
The Astronomical Journal, 2023 A high-resolution ( ${ \mathcal R }\gt {10}^{5}$ ), multi-mode fiber-fed spectrograph on large telescopes with a reasonable size is desirable in astronomy.
Xiaoming Zhu +4 more
doaj +1 more source
A Two-element Interferometer for Millimeter-wave Solar Flare Observations
The Astrophysical Journal Supplement Series, 2023 In this paper, we present the design and implementation of a two-element interferometer operating in the millimeter-wave band (39.5–40 GHz) for observing solar radio emissions through nulling interference.
YongLin Yu +10 more
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Concept and optical design of the cross-disperser module for CRIRES [PDF]
, 2014 This is the peer reviewed version of the following article: Oliva, Ernesto, A. Tozzi, D. Ferruzzi, L. Origlia, A. Hatzes, R. Follert, T. Loewinger et al.
Anglada-Escude, G +33 more
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Advances in infrared and imaging fibres for astronomical instrumentation [PDF]
, 2006 Optical fibres have already played a huge part in ground based astronomical instrumentation, however, with the revolution in photonics currently taking place new fibre technologies and integrated optical devices are likely to have a profound impact on ...
Haynes, Roger +3 more
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Astronomical Applications of Multi-Core Fiber Technology [PDF]
, 2020 Optical fibers have altered astronomical instrument design by allowing for a complex, often large instrument to be mounted in a remote and stable location with respect to the telescope.
Cvetojevic, Nick +2 more
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Near-infrared integral-field spectroscopy of HD209458b [PDF]
, 2006 We present first results of an exploratory study to use integral field spectroscopy to observe extrasolar planets. We focus on transiting "Hot Jupiters" and emphasize the importance of observing strategy and exact timing.
Angerhausen, Daniel +2 more
core +2 more sources